Thanks for responding Brian.

You wrote:
> Try checking the error policy for the printer.
> Printers -> the printer that is having problems -> Set default options
> -> policies

Where can I do this?  I can't find anyplace where there is an option
to select "the printer that is having problems" and/or where to set
Default options to "retry-job"

At this browser address: http://127.0.0.1:631/printers/
there is a "printers" tab, but under that I cannot find
any place to set default options.

Also cannot find anything like that in "Control Center"

> Make sure that Error policy is set to "retry-job".  If it's set to "stop
> printer", every time you have any kind of printing error, the print
> server for that particular queue will be set to stopped, and I believe
> it will even survive a server reset or even a reboot.
>
> If you have multiple users printing from this system or have it setup to
> serve to multiple machines, you might want to go to Administration and
> under server settings and check off "Allow users to cancel any job (not
> just their own)"  That way a print queue can't get jammed up by someone
> that printers something and then walks away leaving a bad print job
> jamming up the queue with no way for someone else to clear it.
>
> As for your error, check the permissions for /etc/cups/printers.conf

At this location, this is what I find:

-rw------- 1 root sys 130 Mar  7 21:55 printers.conf.O
-rw------- 1 root sys 130 Mar  7 21:56 printers.conf

And here is the content of "printers.conf":

# Printer configuration file for CUPS v1.4.6
# Written by cupsd on 2012-03-07 22:05
# DO NOT EDIT THIS FILE WHEN CUPSD IS RUNNING

> If everything else fails, you can always edit that file directly and
> remove the section of config that corresponds with the offending printer.

How should I edit that file?  What content should be added there?

> Brian Cluff

> On 03/07/2012 07:09 PM, joe@actionline.com wrote:
>>
>> Cups printing had been working fine on my system for a long time,
>> but then recently it has begun to quit working correctly and I can't
>> figure out why. I can get it restarted sometimes, but then it will just
>> quit working again and I have to go through a bunch of steps to get it
>> restarted.
>>
>> In the Control Center>>  System>>  Manage system services by enabling
>> etc.
>> it shows cups running. Then I go to Hardware>  Configure printing and
>> scanning>  Set up printers, etc. Sometimes it shows the printer has
>> vanished and I have to reset it again. Other times it is there. When I
>> do
>> 'lpstat' it shows a document waiting to be printed, but it does not
>> print.
>>
>> How can I get this reset so it will not continually quit printing and
>> have
>> to get restarted again? If 'lpstat' shows a document waiting to be
>> printed
>> and it shows the printer to be enabled, but "idle" ... what command
>> could I
>> use to get the printer to restart and print the waiting document?
>>
>> $ lpstat -t ... shows the following:
>> scheduler is running
>> system default destination: HPLaserJet4
>> device for HPLaserJet4: ///dev/null
>> device for HPPSC1200: ipp://192.168.0.73:631/printers/HPPSC1200
>> HPLaserJet4 accepting requests since Fri 02 Mar 2012 05:20:37 PM MST
>> HPPSC1200 accepting requests since Fri 02 Mar 2012 06:12:43 PM MST
>> printer HPLaserJet4 is idle.  enabled since Fri 02 Mar 2012 05:20:37 PM
>> MST
>> printer HPPSC1200 is idle.  enabled since Fri 02 Mar 2012 06:12:43 PM
>> MST
>> HPLaserJet4-47          joe              66560   Fri 02 Mar 2012
>> 08:44:02
>> PM MST
>>
>> As root, I tried this: service cups restart ... and got this result:
>> Stopping CUPS printing system:                             [  OK  ]
>> Starting CUPS printing system:                             [  OK  ]
>> Re-enabling disabled print queues:
>>
>> In the lpstat -t results, two printers appear, one of which was
>> disconnected
>> from the system some time ago, but it still appears and I cannot find a
>> way
>> to get it deleted.  I tried entering this in the web browser:
>> http://localhost:631 and the CUPS management page appears. I click on
>> Printers and selected HPPSC1200 and tried to delete that printer, but I
>> got this response: "403 Forbidden" as shown in this screen capture:
>>
>> http://www.upquick.com/temp/cups.jpg
>>
>> How can I get that non-existent printer removed from CUPS?


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